trace_form.h

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#pragma once
#include "control_trace_listener.h"
#include "icontrol_trace.h"
#include "trace_form_base.h"
#include <xtd/diagnostics/trace>
 
namespace xtd {
  namespace forms {
    class trace_form final : public xtd::forms::icontrol_trace, public xtd::forms::trace_form_base {
    public:
      
      trace_form() : trace_form_base("Trace") {
        xtd::diagnostics::trace::listeners().push_back(listener_);
        #if defined(TRACE)
        visible(true);
        defined = true;
        #endif
      }
      
      ~trace_form();
      
      
      const xtd::diagnostics::trace_listener& trace_listener() const noexcept;
      xtd::diagnostics::trace_listener& trace_listener();
      
      
      void write(const xtd::string& trace) override {
        if (!defined) return;
        trace_form_base::write(trace);
      }
      void write_line(const xtd::string& trace) override {
        if (!defined) return;
        trace_form_base::write_line(trace);
      }
      
      void flush() override;
 
    protected:
      
      xtd::uptr<xtd::object> clone() const override;
      
    private:
      xtd::sptr<xtd::diagnostics::trace_listener> listener_ = xtd::forms::control_trace_listener::create(*this);
      bool defined = false;
    };
  }
}